<template>
  <div class="tab-bar-item"
       @click="itemClick">
    <div v-if="!isActive">
      <slot name="item-icon"></slot>
    </div>
    <div v-else>
      <slot name="item-icon-active"></slot>
    </div>
    <div :style="activeStyle">
      <slot name="item-text"></slot>
    </div>

    <!-- <img src="../../assets/img/tabbar/home.svg"
         alt=""> -->
    <!-- <div>首页</div> -->
  </div>
</template>

<script>
export default {
  name: 'TabBarItem',
  props: {
    path: {
      type: String,
      default: '/'
    },
    activeColor: {
      type: String,
      default: 'red'
    }
  },
  data() {
    return {
    };
  },
  computed: {
    isActive() {
      return this.$route.path === this.path
    },
    activeStyle() {
      return this.isActive ? { color: this.activeColor } : {}
    }
  },
  created() {

  },
  mounted() {

  },
  methods: {
    itemClick() {
      this.$router.replace(this.path)
    }
  }
};
</script>

<style scoped>
.tab-bar-item {
  flex: 1;
  text-align: center;
  height: 49px;
  font-size: 14px;
}

.tab-bar-item img {
  height: 24px;
  /* 图片下面会多三个像素 */
  margin-top: 3px;
  vertical-align: middle;
  margin-bottom: 1px;
}
</style>
